| /* | |
| * VC-1 and WMV3 decoder | |
| * copyright (c) 2006 Konstantin Shishkov | |
| * (c) 2005 anonymous, Alex Beregszaszi, Michael Niedermayer | |
| * | |
| * This file is part of FFmpeg. | |
| * | |
| * FFmpeg is free software; you can redistribute it and/or | |
| * modify it under the terms of the GNU Lesser General Public | |
| * License as published by the Free Software Foundation; either | |
| * version 2.1 of the License, or (at your option) any later version. | |
| * | |
| * FFmpeg is distributed in the hope that it will be useful, | |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| * Lesser General Public License for more details. | |
| * | |
| * You should have received a copy of the GNU Lesser General Public | |
| * License along with FFmpeg; if not, write to the Free Software | |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
| */ | |
| /** | |
| * @file | |
| * VC-1 tables. | |
| */ | |
| #ifndef AVCODEC_VC1DATA_H | |
| #define AVCODEC_VC1DATA_H | |
| #include <stdint.h> | |
| #include "libavutil/rational.h" | |
| #include "vlc.h" | |
| /** Table for conversion between TTBLK and TTMB */ | |
| extern const int ff_vc1_ttblk_to_tt[3][8]; | |
| extern const int ff_vc1_ttfrm_to_tt[4]; | |
| /** MV P mode - the 5th element is only used for mode 1 */ | |
| extern const uint8_t ff_vc1_mv_pmode_table[2][5]; | |
| extern const uint8_t ff_vc1_mv_pmode_table2[2][4]; | |
| extern const int ff_vc1_fps_nr[7], ff_vc1_fps_dr[2]; | |
| extern const uint8_t ff_vc1_pquant_table[3][32]; | |
| /* MBMODE table for interlaced frame P-picture */ | |
| extern const uint8_t ff_vc1_mbmode_intfrp[2][15][4]; | |
| /** @name VC-1 VLC tables and defines | |
| * @todo TODO move this into the context | |
| */ | |
| //@{ | |
| #define VC1_BFRACTION_VLC_BITS 7 | |
| extern VLC ff_vc1_bfraction_vlc; | |
| #define VC1_IMODE_VLC_BITS 4 | |
| extern VLC ff_vc1_imode_vlc; | |
| #define VC1_NORM2_VLC_BITS 3 | |
| extern VLC ff_vc1_norm2_vlc; | |
| #define VC1_NORM6_VLC_BITS 9 | |
| extern VLC ff_vc1_norm6_vlc; | |
| /* Could be optimized, one table only needs 8 bits */ | |
| #define VC1_TTMB_VLC_BITS 9 //12 | |
| extern VLC ff_vc1_ttmb_vlc[3]; | |
| #define VC1_MV_DIFF_VLC_BITS 9 //15 | |
| extern VLC ff_vc1_mv_diff_vlc[4]; | |
| #define VC1_CBPCY_P_VLC_BITS 9 //14 | |
| extern VLC ff_vc1_cbpcy_p_vlc[4]; | |
| #define VC1_ICBPCY_VLC_BITS 9 | |
| extern VLC ff_vc1_icbpcy_vlc[8]; | |
| #define VC1_4MV_BLOCK_PATTERN_VLC_BITS 6 | |
| extern VLC ff_vc1_4mv_block_pattern_vlc[4]; | |
| #define VC1_2MV_BLOCK_PATTERN_VLC_BITS 3 | |
| extern VLC ff_vc1_2mv_block_pattern_vlc[4]; | |
| #define VC1_TTBLK_VLC_BITS 5 | |
| extern VLC ff_vc1_ttblk_vlc[3]; | |
| #define VC1_SUBBLKPAT_VLC_BITS 6 | |
| extern VLC ff_vc1_subblkpat_vlc[3]; | |
| #define VC1_INTFR_4MV_MBMODE_VLC_BITS 9 | |
| extern VLC ff_vc1_intfr_4mv_mbmode_vlc[4]; | |
| #define VC1_INTFR_NON4MV_MBMODE_VLC_BITS 6 | |
| extern VLC ff_vc1_intfr_non4mv_mbmode_vlc[4]; | |
| #define VC1_IF_MMV_MBMODE_VLC_BITS 5 | |
| extern VLC ff_vc1_if_mmv_mbmode_vlc[8]; | |
| #define VC1_IF_1MV_MBMODE_VLC_BITS 5 | |
| extern VLC ff_vc1_if_1mv_mbmode_vlc[8]; | |
| #define VC1_1REF_MVDATA_VLC_BITS 9 | |
| extern VLC ff_vc1_1ref_mvdata_vlc[4]; | |
| #define VC1_2REF_MVDATA_VLC_BITS 9 | |
| extern VLC ff_vc1_2ref_mvdata_vlc[8]; | |
| extern VLC ff_vc1_ac_coeff_table[8]; | |
| #define VC1_IF_MBMODE_VLC_BITS 5 | |
| //@} | |
| #define B_FRACTION_DEN 256 | |
| /* pre-computed scales for all bfractions and base=256 */ | |
| extern const int16_t ff_vc1_bfraction_lut[23]; | |
| extern const uint8_t ff_vc1_bfraction_bits[23]; | |
| extern const uint8_t ff_vc1_bfraction_codes[23]; | |
| //Same as H.264 | |
| extern const AVRational ff_vc1_pixel_aspect[16]; | |
| /* BitPlane IMODE - such a small table... */ | |
| extern const uint8_t ff_vc1_imode_codes[7]; | |
| extern const uint8_t ff_vc1_imode_bits[7]; | |
| /* Normal-2 imode */ | |
| extern const uint8_t ff_vc1_norm2_codes[4]; | |
| extern const uint8_t ff_vc1_norm2_bits[4]; | |
| extern const uint16_t ff_vc1_norm6_codes[64]; | |
| extern const uint8_t ff_vc1_norm6_bits[64]; | |
| /* Normal-6 imode */ | |
| extern const uint8_t ff_vc1_norm6_spec[64][5]; | |
| /* 4MV Block pattern VLC tables */ | |
| extern const uint8_t ff_vc1_4mv_block_pattern_codes[4][16]; | |
| extern const uint8_t ff_vc1_4mv_block_pattern_bits[4][16]; | |
| /* 2MV Block pattern VLC tables */ | |
| extern const uint8_t ff_vc1_2mv_block_pattern_codes[4][4]; | |
| extern const uint8_t ff_vc1_2mv_block_pattern_bits[4][4]; | |
| extern const uint8_t ff_wmv3_dc_scale_table[32]; | |
| /* P-Picture CBPCY VLC tables */ | |
| extern const uint16_t ff_vc1_cbpcy_p_codes[4][64]; | |
| extern const uint8_t ff_vc1_cbpcy_p_bits[4][64]; | |
| /* Interlaced CBPCY VLC tables (Table 124 - Table 131) */ | |
| extern const uint16_t ff_vc1_icbpcy_p_codes[8][63]; | |
| extern const uint8_t ff_vc1_icbpcy_p_bits[8][63]; | |
| /* MacroBlock Transform Type: 7.1.3.11, p89 | |
| * 8x8:B | |
| * 8x4:B:btm 8x4:B:top 8x4:B:both, | |
| * 4x8:B:right 4x8:B:left 4x8:B:both | |
| * 4x4:B 8x8:MB | |
| * 8x4:MB:btm 8x4:MB:top 8x4,MB,both | |
| * 4x8,MB,right 4x8,MB,left | |
| * 4x4,MB */ | |
| extern const uint16_t ff_vc1_ttmb_codes[3][16]; | |
| extern const uint8_t ff_vc1_ttmb_bits[3][16]; | |
| /* TTBLK (Transform Type per Block) tables */ | |
| extern const uint8_t ff_vc1_ttblk_codes[3][8]; | |
| extern const uint8_t ff_vc1_ttblk_bits[3][8]; | |
| /* SUBBLKPAT tables, p93-94, reordered */ | |
| extern const uint8_t ff_vc1_subblkpat_codes[3][15]; | |
| extern const uint8_t ff_vc1_subblkpat_bits[3][15]; | |
| /* MV differential tables, p265 */ | |
| extern const uint16_t ff_vc1_mv_diff_codes[4][73]; | |
| extern const uint8_t ff_vc1_mv_diff_bits[4][73]; | |
| /* Interlaced frame picture MBMODE VLC tables (p. 246, p. 360) */ | |
| extern const uint16_t ff_vc1_intfr_4mv_mbmode_codes[4][15]; | |
| extern const uint8_t ff_vc1_intfr_4mv_mbmode_bits[4][15]; | |
| extern const uint8_t ff_vc1_intfr_non4mv_mbmode_codes[4][9]; | |
| extern const uint8_t ff_vc1_intfr_non4mv_mbmode_bits[4][9]; | |
| /* Interlaced field picture MBMODE VLC tables (p. 356 - 11.4.1, 11.4.2) */ | |
| extern const uint8_t ff_vc1_if_mmv_mbmode_codes[8][8]; | |
| extern const uint8_t ff_vc1_if_mmv_mbmode_bits[8][8]; | |
| extern const uint8_t ff_vc1_if_1mv_mbmode_codes[8][6]; | |
| extern const uint8_t ff_vc1_if_1mv_mbmode_bits[8][6]; | |
| /* Interlaced frame/field picture MVDATA VLC tables */ | |
| /* 1-reference tables */ | |
| extern const uint32_t ff_vc1_1ref_mvdata_codes[4][72]; | |
| extern const uint8_t ff_vc1_1ref_mvdata_bits[4][72]; | |
| /* 2-reference tables */ | |
| extern const uint32_t ff_vc1_2ref_mvdata_codes[8][126]; | |
| extern const uint8_t ff_vc1_2ref_mvdata_bits[8][126]; | |
| /* DC differentials low+hi-mo, p217 are the same as in msmpeg4data .h */ | |
| /* Scantables/ZZ scan are at 11.9 (p262) and 8.1.1.12 (p10) */ | |
| extern const uint8_t ff_vc1_simple_progressive_4x4_zz [16]; | |
| extern const uint8_t ff_vc1_adv_progressive_8x4_zz [32]; | |
| extern const uint8_t ff_vc1_adv_progressive_4x8_zz [32]; | |
| extern const uint8_t ff_vc1_adv_interlaced_8x8_zz [64]; | |
| extern const uint8_t ff_vc1_adv_interlaced_8x4_zz [32]; | |
| extern const uint8_t ff_vc1_adv_interlaced_4x8_zz [32]; | |
| extern const uint8_t ff_vc1_adv_interlaced_4x4_zz [16]; | |
| extern const uint8_t ff_vc1_intra_horz_8x8_zz [64]; | |
| extern const uint8_t ff_vc1_intra_vert_8x8_zz [64]; | |
| /* DQScale as specified in 8.1.3.9 - almost identical to 0x40000/i */ | |
| extern const int32_t ff_vc1_dqscale[63]; | |
| /* P Interlaced field picture MV predictor scaling values (Table 114) */ | |
| extern const uint16_t ff_vc1_field_mvpred_scales[2][7][4]; | |
| /* B Interlaced field picture backward MV predictor scaling values for first field (Table 115) */ | |
| extern const uint16_t ff_vc1_b_field_mvpred_scales[7][4]; | |
| #define AC_MODES 8 | |
| extern const int ff_vc1_ac_sizes[AC_MODES]; | |
| #endif /* AVCODEC_VC1DATA_H */ |